Unique Bargains 28160355 Fuel Injector Nozzle Flow Matched Replacement for Hisun Tactic Strike for Massimo MSU500 for Coleman UT500 450 500 550

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Description

Description: Fuel injectors directly affect the air/fuel ratio for the engine and new fuel injectors do require a new or updated tune. This is a non-OEM product, accessory only! It is fit for Hisun EFI 500 & 550 UTV ATV 2011-2018; for Massimo MSU500; for Challenger 500 550 for Coleman UT500; for Bighorn 500 Cowboy 500. Installation: Step 1. Make sure the engine is cool down. Disconnect the battery. Step 2. Remove the bolts and brackets from the fuel rail. Step 3. Disconnect the plug on each injector. Step 4. Lift the fuel rail and remove the injector from the fuel rail. Step 5. Press the new injector into the rail. Reattach the fuel rail and put the injectors in their respective holes. Step 6. Bolt down fuel rail. Reattach fuel line. Plug in injector connectors. Reconnect battery. Step 7. Double check for fuel leaks before and after starting the engine. Note: This installation should be done by an experienced mechanic who has access to a factory service manual and all required tools! Please check the fitment section of this listing before you purchase. Please kindly check again your engine volume! Specification: OE Number: 28160355,16400-004-0000,16400-004C-0000; O-Rings Included: Yes, preinstalled; Orifice Type: 2 Holes Disc; Flow Rate: Same as original; Pin Number: 2 Pins; Material: Metal, Plastic; Color: Black; Voltage: DC 12V; Size: 54x36mm / 2.13″x1.42″(L*W); O-Ring Diameter: 14mm/0.57″; Package Included: 1 x Fuel Injector.